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Finding the Fourth Proportional to 28,851,792,485.20, 43,277,688,727.80 and 28,851,792,485.20

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Solution

The fourth proportional to 28,851,792,485.20, 43,277,688,727.80 and 28,851,792,485.20 is: 43,277,688,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851,792,485.20 : 43,277,688,727.80 = 28,851,792,485.20 : x
  2. Step 2: Convert to fraction form
    28,851,792,485.20/43,277,688,727.80 = 28,851,792,485.20/x
  3. Step 3: Cross multiply
    28,851,792,485.20x = 43,277,688,727.80 × 28,851,792,485.20
  4. Step 4: Simplify right side
    28,851,792,485.20x = 1,248,638,894,413,564,870,656
  5. Step 5: Solve for x
    x = 1,248,638,894,413,564,870,656/28,851,792,485.20
  6. Step 6: Final answer
    x = 43,277,688,727.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.